Construction concrete block



FIG. 1 is a perspective view of the construction concrete block;

FIG. 2 is a front elevational view of the construction concrete block;

FIG. 3 is a side elevational view of the contruction concrete block;

FIG. 4 is a top plan view of the construction concrete block; and,

FIG. 5 is a bottom plan view of the construction concrete block. 

The ornamental design for a construction concrete block, as shown. 